Abstract: Species of interest chosen based on the Coconino NF TESP list, FRD Sensitive plants list and FRD Narrow Endemics plant lists. List of look-alikes created using the Field Guide to Forest and Mountain Plants of Northern Arizona (Spring et al) and SEINet Specimen Checklist #1535657960 generated 2018-08-30 12:39:20 by searching all Collections (specimens & observations) of Penstemon using the following: POLYGON ((35.599368 -111.927643,35.584850 -111.269836,35.082948 -111.231384,34.916457 -111.151733,34.745114 -110.938873,34.690932 -110.941620,34.602810 -111.004791,34.511200 -111.065216,34.358859 -111.076202,34.364244 -111.117401,34.355600 -111.144867,34.379617 -111.179199,34.409753 -111.269150,34.405557 -111.364937,34.361525 -111.392231,34.368978 -111.437464,34.414632 -111.525998,34.405650 -111.587270,34.308233 -111.649916,34.307706 -111.686046,34.349404 -111.715097,34.375913 -111.717262,34.417142 -111.788093,34.477245 -111.856232,34.520253 -111.926270,34.587549 -111.965408,34.730726 -112.063255,34.827026 -112.127285,34.893158 -112.135954,34.973480 -112.071624,35.025614 -111.993561,35.090252 -111.981888,35.137153 -112.036476,35.171820 -112.043171,35.175678 -111.988840,35.172714 -111.890800,35.211275 -111.833959,35.239724 -111.860888,35.248236 -111.909849,35.541081 -111.925851,35.599368 -111.927643)). Look-alikes chosen based on similarity to species of interest in appearance and/or habitat.